Class: LooseLeaf::CollaborationChannel

Inherits:
ApplicationCable::Channel
  • Object
show all
Defined in:
app/channels/loose_leaf/collaboration_channel.rb

Overview

An ActionCable channel for TLooseLeaf

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#client_id ⇒ Object (readonly)

Returns the value of attribute client_id.



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# File 'app/channels/loose_leaf/collaboration_channel.rb', line 4

def client_id
  @client_id
end

Instance Method Details

#document(data) ⇒ Object

Subscribe to changes to a document



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# File 'app/channels/loose_leaf/collaboration_channel.rb', line 13

def document(data)
  document = collaborative_model.find_by_collaborative_key(data['id'])

  @documents ||= []
  @documents << document

  send_attribute_versions(document)

  stream_from "loose_leaf.documents.#{document.id}.operations"
end

#operation(data) ⇒ Object 



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# File 'app/channels/loose_leaf/collaboration_channel.rb', line 24

def operation(data)
  data = ActiveSupport::HashWithIndifferentAccess.new(data)
  document = collaborative_model.find_by_collaborative_key(data[:document_id])

  version, operation = document.apply_operation(data)
  data[:sent_version] = data[:version]
  data[:version] = version
  data[:operation] = operation.to_a

  ActionCable.server.broadcast "loose_leaf.documents.#{document.id}.operations", data
end

#subscribed ⇒ Object 



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# File 'app/channels/loose_leaf/collaboration_channel.rb', line 6

def subscribed
  @client_id = SecureRandom.uuid

  transmit action: 'subscribed', client_id: client_id
end